00398nam a2200133Ia 4500082002300000100005500023245007600078250001200154260003000166300001600196490004200212500000500254700000500259  a382.40182bUn58.CI  aUnited Nations. Economic Affairs, Department of -.  aCommodity indexes for the standard international trade classificationb  aIndexed  aNew YorkbThe Auth.c1953  axiii, 489p.  aStatistical papersv series M- no. 10  a  a